Home / 37,861.54-52,249.28-20,866.39

Finding the Fourth Proportional to 37,861.54, 52,249.28 and 20,866.39

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Solution

The fourth proportional to 37,861.54, 52,249.28 and 20,866.39 is: 28,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,861.54 : 52,249.28 = 20,866.39 : x
  2. Step 2: Convert to fraction form
    37,861.54/52,249.28 = 20,866.39/x
  3. Step 3: Cross multiply
    37,861.54x = 52,249.28 × 20,866.39
  4. Step 4: Simplify right side
    37,861.54x = 1,090,253,618.74
  5. Step 5: Solve for x
    x = 1,090,253,618.74/37,861.54
  6. Step 6: Final answer
    x = 28,795.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.